Fuel tank cap for a vehicle



FIG. 1 is a front elevational view of a fuel tank cap for a vehicle showing our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view tereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a perspective view thereof.

The broken line is for illustrative purposes only and forms no part of the claimed design.

The portion encompassed by a solid line showing a fuel tank cap is the design sought to be patented. 

The ornamental design for a fuel tank cap for a vehicle, as shown and described. 